438953 has 2 divisors, whose sum is σ = 438954. Its totient is φ = 438952.

The previous prime is 438941. The next prime is 438961. The reversal of 438953 is 359834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426409 + 12544 = 653^2 + 112^2 .

It is a cyclic number.

It is not a de Polignac number, because 438953 - 2⁴ = 438937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (438913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219476 + 219477.

It is an arithmetic number, because the mean of its divisors is an integer number (219477).

2⁴³⁸⁹⁵³ is an apocalyptic number.

It is an amenable number.

438953 is a deficient number, since it is larger than the sum of its proper divisors (1).

438953 is an equidigital number, since it uses as much as digits as its factorization.

438953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 438953 is about 662.5352820794. The cubic root of 438953 is about 75.9986726453.

The spelling of 438953 in words is "four hundred thirty-eight thousand, nine hundred fifty-three".